Warning cleanup

zcash_primitives/src/jubjub/mod.rs

@@ -374,7 +374,7 @@ impl JubjubBls12 {
             let mut pedersen_circuit_generators = vec![];
 
             // Process each segment
-            for mut gen in tmp_params.pedersen_hash_generators.iter().cloned() {
+            for gen in tmp_params.pedersen_hash_generators.iter().cloned() {
                 let mut gen = montgomery::Point::from_edwards(&gen, &tmp_params);
                 let mut windows = vec![];
                 for _ in 0..tmp_params.pedersen_hash_chunks_per_generator() {

zcash_primitives/src/transaction/components/amount.rs

@@ -206,7 +206,7 @@ mod tests {
     #[should_panic]
     fn add_panics_on_overflow() {
         let v = Amount(MAX_MONEY);
-        let sum = v + Amount(1);
+        let _sum = v + Amount(1);
     }
 
     #[test]
@@ -220,7 +220,7 @@ mod tests {
     #[should_panic]
     fn sub_panics_on_underflow() {
         let v = Amount(-MAX_MONEY);
-        let diff = v - Amount(1);
+        let _diff = v - Amount(1);
     }
 
     #[test]

zcash_proofs/src/circuit/pedersen_hash.rs

@@ -163,7 +163,7 @@ mod test {
 
         for length in 0..751 {
             for _ in 0..5 {
-                let mut input: Vec<bool> = (0..length).map(|_| rng.next_u32() % 2 != 0).collect();
+                let input: Vec<bool> = (0..length).map(|_| rng.next_u32() % 2 != 0).collect();
 
                 let mut cs = TestConstraintSystem::<Bls12>::new();